Atoms Of Anatomy

r The full capacity of the lungs is about 330 I cubio inehes. I Each perspiratory duet is one-fourth of an inch in length; of the whole, about nino miles. About Uvo-thirds oí a pint of air is inhalod and exhaled at each breath ol ordinary respiración. Tbe weight of the hcart is f rom eiprht to twelve ounces. lt beats 100,000 times in twenty-four hours. Thb average mau takes five and one-half pounds of food and drink each day, which amounts to one ton of solid and liquid nourisauicul .miiuaUv.